<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <el-row>
        <el-col>
          <el-button type="primary">
            添加角色
          </el-button>
        </el-col>
      </el-row>
      <!--角色列表区域-->
      <el-table :data="rolesList" border stripe="">
        <!--展开列-->
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="['bdbottom', i1 == 0 ? 'bdtop' : '', 'vcenter']"
              v-for="(item1, i1) in scope.row.children"
              :key="item1.id"
            >
              <!--一级权限-->
              <el-col :span="5">
                <el-tag closable @close="removeRightById(scope.row, item1.id)">
                  {{ item1.authName }}
                </el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <!--二级权限三级权限-->
              <el-col :span="19">
                <el-row
                  :class="[i2 == 0 ? '' : 'bdtop', 'vcenter']"
                  v-for="(item2, i2) in item1.children"
                  :key="item2.id"
                >
                  <!--二级权限-->
                  <el-col :span="6">
                    <el-tag
                      closable
                      type="success"
                      @close="removeRightById(scope.row, item2.id)"
                      >{{ item2.authName }}</el-tag
                    >
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <el-col :span="18">
                    <el-tag
                      :class="[i3 == 0 ? '' : 'bdtop']"
                      v-for="(item3, i3) in item2.children"
                      :key="item3.id"
                      type="warning"
                      closable
                      @close="removeRightById(scope.row, item3.id)"
                    >
                      {{ item3.authName }}
                    </el-tag>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <!--索引列-->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
        <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
        <el-table-column label="操作" width="300px">
          <template slot-scope="scope">
            <el-button icon="el-icon-edit" type="primary" size="mini"
              >编辑</el-button
            >
            <el-button icon="el-icon-delte" type="danger" size="mini"
              >删除</el-button
            >
            <el-button
              icon="el-icon-setting"
              size="mini"
              @click="showSetRightDialog(scope.row)"
              type="warning"
              >分配权限</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!--分配权限对话框-->
    <el-dialog @close="setRightDialogClose" title="分配权限" :visible.sync="setRightDialogVisible" width="50%">
      <el-tree
        :data="rightsList"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="defKeys"
        :props="treeProps"
        ref="treeRef"
      >
      </el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRightDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="allotRights"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    return {
      //所有角色列表数据
      rolesList: [],
      //权限分配对话框的显隐
      setRightDialogVisible: false,
      rightsList: [],
      //属性控件绑定对象
      treeProps:{
          label:'authName',
          children:"children"
      },
      //默认选中的节点id
      defKeys:[],
      roleId:'',
    }
  },
  created() {
    this.getRolesList()
  },
  methods: {
    async getRolesList() {
      let result = await new this.Request(this.Urls.m().getRoles).modeGet()
      console.log('用户裂变好', result)
      if (result.meta.status !== 200) {
        this.$message.erroe(result.meta.msg)
      } else {
        this.rolesList = result.data;

      }
    },
    async removeRightById(role, rightId) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该文件, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      } else {
        let result = await new this.Request(
          this.Urls.m().getRoles + `/${role.id}/rights/${rightId}`
        ).modeDel()
        if (result.meta.status !== 200) {
          return this.$message.info('删除失败')
        } else {
          this.$message.success('删除成功')
          role.children = result.data
        }
        console.log('删除权限', result)
      }
    },
    //分配权限的对话框
    async showSetRightDialog(role) {
      this.roleId=role.id
      //获取所有权限数据
      let result = await new this.Request(
        this.Urls.m().getRights + '/tree'
      ).modeGet()
      if (result.meta.status !== 200) {
        return this.$message.error(result.meta.msg)
      } else {
        //获取到的权限数据
        this.rightsList = result.data
        console.log('权限数据', this.rightsList);
        this.getLeafKeys(role,this.defKeys);
        this.setRightDialogVisible = true;
      }
    },
    //通过递归的形式获取角色权限id
    getLeafKeys(node,arr)
    {
        if(!node.children){
            return arr.push(node.id)
        }
        node.children.forEach(item => {
            this.getLeafKeys(item,arr)
        });
    },
    //权限对话框关闭事件
    setRightDialogClose()
    {
        this.defKeys=[];
    },
  async  allotRights()
    {
        const keys=[
        ...this.$refs.treeRef.getCheckedKeys(),
        ...this.$refs.treeRef.getHalfCheckedKeys()
        ]
        console.log(keys,"选中的数据id")
        const idStr =keys.join(',')
        let result = await new this.Request(
        this.Urls.m().getRoles + `/${this.roleId}/rights`,{rids:idStr}
      ).modePost();
console.log(result)
      if(result.meta.status!==200)
      {
        return this.$message.error(result.meta.msg)
      }else{
        this.$message.success("分配权限成功")
        this.getRolesList();
        this.setRightDialogVisible=false;
      }
      
    }
  }
}
</script>

<style lang="less" scoped>
.bdtop {
  border-top: 1px solid #eee;
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.vcenter {
  display: flex;
  align-items: center;
}
</style>
